Best year time to visit Olsztyn

General weather information about Olsztyn

Average annual temperature is 9.4 °C

Absolute maximum temperature: 33.0 °C

Absolute minimum temperature: -8.4 °C

Number of sunny days: 137 days

Number of rainy days: 206 days

Number of snow days: 22 days

Look at detailed online map of Olsztyn

* Weather data for Olsztyn Poland is based on climate observations for 2026 year

Olsztyn air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	14.4	8.2	15.1	20.3	24.5	29.6	30.8	33.0	28.8	23.6	12.5	7.7
Average daytime temperature (°C)	3.5	3.3	7.0	12.1	18.0	22.9	23.4	24.3	23.1	12.6	5.0	2.4
Average temperature (°C)	1.8	0.5	2.9	7.4	12.7	17.9	18.5	19.8	17.8	9.5	2.6	0.6
Average night temperature (°C)	-0.3	-2.2	-1.1	2.6	6.4	11.7	13.1	15.3	12.6	6.0	0.0	-1.3
Absolute minimum temperature (°C)	-6.4	-6.9	-6.2	-4.1	-0.2	3.7	10.7	9.9	7.1	0.7	-8.2	-8.4

Olsztyn monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	8.0	10.0	12.0	15.0	16.0	17.0	17.0	15.0	13.0	11.0	9.0	7.0
Daylight mean duration (h)	8.1	9.8	11.9	14.0	16.0	17.0	16.5	14.8	12.7	10.6	8.6	7.5
Daylight minimum duration (h)	7.0	8.0	10.0	13.0	15.0	16.0	15.0	13.0	11.0	9.0	7.0	7.0
Sunshine mean duration (h)	1.3	4.5	6.7	8.4	11.5	12.6	12.1	9.9	10.0	4.6	3.0	1.4
Precipitation (mm)	70	58	56	50	15	45	66	71	23	81	69	67
Sunny days	11	12	8	10	23	15	5	9	19	6	12	7
Rainy days	15	15	17	19	8	15	26	22	11	25	14	19
Snow days	5	1	6	1	0	0	0	0	0	0	4	5

Olsztyn - weather forecast by months

Olsztyn weather in january Olsztyn weather in february Olsztyn weather in march Olsztyn weather in april Olsztyn weather in may Olsztyn weather in june Olsztyn weather in july Olsztyn weather in august Olsztyn weather in september Olsztyn weather in october Olsztyn weather in november Olsztyn weather in december

Best time to visit Olsztyn:

The best time to visit Olsztyn during the most sunny months:

May — 11.5(h)
June — 12.6(h)
July — 12.1(h)
August — 9.9(h)
September — 10.0(h)

Months with the longest average daylight duration in Olsztyn:

May — 16.0(h)
June — 17.0(h)
July — 16.5(h)

The largest precipitation sum in Olsztyn is at

August — 71(mm)

October — 81(mm)

Weather forecast in the closest to Olsztyn admin centers